1984/1988 X.400 recommendations—user requirements
Computer Communications - Special issue: Network management
The BERKOM multimedia collaboration service
MULTIMEDIA '93 Proceedings of the first ACM international conference on Multimedia
Digital Technical Journal
Design and implementation of a global reference mechanism for data objects
Computer Standards & Interfaces
Multimedia communication systems: upper layers in the OSI reference model
IEEE Journal on Selected Areas in Communications
Secure external references in multimedia email messages
CCS '96 Proceedings of the 3rd ACM conference on Computer and communications security
Developing Distributed Multimedia Telecommunication Applications
IEEE MultiMedia
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A multimedia-mail teleservice based on CCITT Recommendation X.400(88) is under development within the BERKOM project funded by the German PTT. The traditional text exchange is being enriched by supporting multimedia information in the form of text, images, video, audio as well as documents. The problems caused within the message transfer system by the expected large messages in case of, for example, video are solved by complementing the store-and-forward mechanism inherent to electronic mail by an additional exchange mechanism. This mechanism allows the resolution of references to message content. Such references may be put into a message in place of the content itself. OSI/X.400 and Internet/MIME interworking, asynchronous information server access via multimedia-mail as well as possible future developments are discussed.